Finding the Fourth Proportional to 648,368.84, 972,679.32 and 248,980.26
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Solution
The fourth proportional to 648,368.84, 972,679.32 and 248,980.26 is: 373,518.80
Step by Step Solution
- Step 1: Write the proportion equation
648,368.84 : 972,679.32 = 248,980.26 : x - Step 2: Convert to fraction form
648,368.84/972,679.32 = 248,980.26/x - Step 3: Cross multiply
648,368.84x = 972,679.32 × 248,980.26 - Step 4: Simplify right side
648,368.84x = 242,177,949,990.22 - Step 5: Solve for x
x = 242,177,949,990.22/648,368.84 - Step 6: Final answer
x = 373,518.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.